27425-55-4 2H-1-Benzopyran-2-one, 3-(1H-benzimidazol-2-yl)-7-(diethylamino)- 3-(1H-Benzimidazol-2-yl)-7-(diethylamino)-2H-chromen-2-one 3-(2-Benzimidazolyl)-7-(diethylamino)coumarin AIDS-128875 AIDS128875 Coumarin 7 Coumarin, 3-(2-benzimidazolyl)-7-(diethylamino)- NSC303254